$OpenBSD: patch-boehm-gc_include_gc_config_h_in,v 1.1.1.1 2016/09/04 16:20:14 pascal Exp $
--- boehm-gc/include/gc_config.h.in.orig	Wed May 13 12:56:33 2015
+++ boehm-gc/include/gc_config.h.in	Tue Aug 23 15:48:13 2016
@@ -24,6 +24,9 @@
 /* support FreeBSD threads */
 #undef GC_FREEBSD_THREADS
 
+/* support OpenBSD threads */
+#undef GC_OPENBSD_THREADS
+
 /* include support for gcj */
 #undef GC_GCJ_SUPPORT
 
